Heat-Exchange Elements TRIZ Cases

See how sizing refrigerant circuit volume ≥0.7× compressor displacement suppresses sudden press

See how antioxidants and acid scavengers stabilize methyl perfluoroheptene ether to prevent aci

See how radical inhibitors in fluoroolefin refrigerants prevent oligomerization under abnormal

See how a mixed refrigerant combining R32, HFO-1132(E), R1234ze, and HFO-1132a achieves GWP ≤50

See how automatic vacuum detection and pre-charged refrigerant prevent hydrofluoroolefin degrad

See how a three-component refrigerant blend balances low global warming potential with controll

See how a three-component refrigerant blend using HFO-1132a, R32, and R1234ze achieves GWP ≤500

See how a mixed refrigerant with HFO-1132, R1234yf, and propane suppresses disproportionation w

See how a CO2-fluorocarbon blend achieves GWP ≤1500 and non-flammability while maintaining R404

See how a three-component HFC/HFO refrigerant blend achieves GWP below 2150 while maintaining c

See how a mixed refrigerant composition combining HFOs that undergo and resist disproportionati

See how blending R1123, R32, R125, CF3I, and R1234yf achieves GWP below 1500 while reducing fla

See how a three-component HFO/HFC blend achieves non-flammability, GWP below 150, and glide und

See how limonene, α-terpinene, and other inhibitors prevent fluoroolefin refrigerant degradatio

See how a four-component HFC/HFO blend achieves 97% capacity retention while reducing global wa

See how organic plastic crystals and liquid crystals achieve large cooling effects through pres

See how a four-component HFO-HFC blend achieves drop-in HFC-134a replacement with reduced globa

An induction-heated conductive element melts phase-change material in the dish to keep food warm longer while remaining safer to handle.

See how a non-azeotropic HFC-32 and R-1234yf blend maintains cooling capacity while reducing gl

See how organic materials near phase transitions enable barocaloric cooling via hydrostatic pre

See how combining unsaturated fluorinated hydrocarbon with high-breakdown-voltage refrigerant o

See how blending two or more lubricants reduces refrigerant solubility, enabling lower viscosit

See how blending HFO refrigerants with R134a and CF3I achieves GWP below 600 while maintaining

See how a six-component refrigerant blend achieves -100°C to -150°C operation while reducing fl

See how a hydrogen fluoride scavenger unit prevents part degradation in refrigeration systems u

By keeping heat source unit design pressure below 1.5× pipe design pressure, this case helps protect existing refrigerant pipes with low-GWP refrigerants.

See how an oxygen adsorption device between evaporator and compressor prevents hydrohaloolefin

See how a composite HFC-32, HFC-125, HFO-1234ze, and HFC-134a refrigerant achieves non-flammabi

See how nano-scale encapsulation with low-energy emulsification reduces bursting, improves ther

See how a polymer-ester oil composition achieves miscibility with difluoromethane refrigerant t

See how blending high- and low-viscosity lubricants reduces refrigerant solubility, maintains b

See how composite refrigerant blends combining azeotropic components reduce temperature glide w

See how ionic liquid-CO2 mixtures enable vapor compression cooling at reduced operating pressur

See how a roller-based thermoelastic cooling system applies compressive stress to extend fatigu

See how propane-isobutene mixtures reduce refrigerant GWP from 1300 to below 3 while maintainin

See how dimethyl ether blended with propylene or propane in specific ratios replaces R134a, red

See how unsaturated ester-based refrigeration oil reacts with hydrogen fluoride from hydrofluor

A propane-butene refrigerant blend cuts GWP below 3 while preserving R134a-like cooling performance with low-cost hydrocarbon feedstocks.

Specific dimethyl ether with propylene or propane blends cut GWP below 1.6 while preserving R134a-like cooling performance.

A blended refrigerant raises critical temperature and reduces flammability, keeping heat pumps stable at high ambient temperatures.

A non-flammable difluoromethane, pentafluoroethane, and tetrafluoropropene blend lowers GWP while holding compressor discharge temperature.

High-propylene refrigerant blends cut GWP and cost while preserving cooling performance and mineral oil compatibility in R404A-class systems.

Propylene-rich refrigerant blends replace R404A, R507A, and R407C with lower GWP, lower cost, mineral oil compatibility, and strong cooling performance.

Pre-adjusting HFC-32 in HFO-1234ze(E) blends limits transfer-induced composition drift, preserving refrigerant performance and flammability safety.

A low-GWP HFO working fluid paired with a specified refrigerant oil preserves compressor lubricity and stability under heat and compression.

Pressure-triggered valve control verifies vacuum during split AC installation, preventing HFO refrigerant decomposition and leakage.

A tuned HFC-125/HFC-134a/R600 blend replaces HCFC-22 with zero ODP, good oil return, non-flammability, and strong low-temperature capacity.

A tuned spherical alumina particle distribution keeps resin flowable at high filler loading, helping heat dissipation materials avoid molding defects.

An alginic acid salt PCM keeps Na2SO4·10H2O flexible through phase-change cycles while preventing sharp crystals that can damage pouches.

A polyvinyl ether oil with modified silicone and epoxy additives suppresses HFO-driven acid value rise under high-temperature refrigeration.

A refrigerant blend using R-1225ye(E), HFO-1234yf, R-32, and CO2 or R-125 preserves cooling and heating capacity with lower ODP and GWP.

A bimodal filler silicone composition maintains heat dissipation while conforming to substrate warpage and resisting peeling at high temperature.

Controlling polyol ester unsaturation preserves anti-wear agent residue in refrigerating machine oil while maintaining lubrication.

A phase-change metal alloy with patterned foil improves TIM conformability, heat conduction, and oxidation resistance in IC assemblies.

A solid matrix supports a meltable metal phase to improve interfacial heat transport while preserving mechanical stability and chemical compatibility.

Low water vapor in fluoromethane pyrolysis improves R-1132(E) selectivity, cuts by-products, and supports co-production of R-1123.

A shear-thinning epoxy thermal interface composition uses a structural viscosity agent to stop filler settling in storage while keeping dispensing workable.

Unsintered crushed aluminum nitride and secondary fillers raise silicone thermal conductivity while preserving flow and handling.

Controlled filler particle size and surface area keep resin viscosity low while delivering high thermal conductivity, strength, and adhesion.

Low-viscosity refrigerating oil is tuned by distillation range and C12-C16 content to keep oil film strength while cutting friction and energy use.

Silane-treated date palm fibers cut PHB use in biodegradable insulation while preserving strength, thermal performance, and water resistance.

A polyurethane thermal interface composition lowers adhesion without plasticizers while maintaining thermal conductivity and controlled curing.

Modified carbon nanomaterials and MOFs raise PCM thermal conductivity while preserving latent heat and thermal stability over cycles.

A phosphorus additive and ester-based polymer help refrigerating machine oil maintain low friction across mixed, boundary, and fluid lubrication regions.

A manganese oxide cluster replaces hard-to-make single-wall nanotubes, delivering visible-to-NIR photothermal heating with simpler synthesis.

A specific phosphonic acid ester helps refrigerator oil resist wear and seizure while maintaining heat stability with unsaturated hydrofluorocarbon refrigerants.

A decomposition inhibitor and phosphorus EP additive keep fluorine low in HFO refrigerant oil, protecting iron sliding parts from wear.

Controlled alumina particle shape and silane-treated carbon content cut resin thickening while improving heat conduction and adhesion.

An HFC-143 blend forms azeotropic or azeotrope-like mixtures that lower global warming potential while enabling stable refrigeration and easier separation.

Rounded silicon particles with coarse size distribution improve heat conduction while lowering flammability and viscosity in filled plastic compounds.

Modified boron nitride microparticles in a non-conductive immersion fluid improve passive heat transfer and reduce fan-dependent cooling failure.

Balancing high CO2 refrigerant content with polyvinyl ether or polyalkylene glycol oil improves heat stability while keeping GWP low.

Combining zinc oxide and aluminum nitride with controlled particle size and dispersant raises heat conduction while keeping grease coatable.

A zinc oxide, aluminum nitride, and calcium carbonate grease balances heat conduction, coatability, and pump-out resistance.

A CO2 and hydrofluorocarbon refrigerant blend paired with polyvinyl ether or polyol ester oil improves compatibility while lowering GWP.

A mixed AlN filler design improves silicone handling and thermal conductivity while reducing anisotropy for electronic heat dissipation.

A porous thermoplastic composite uses pores and selective emitters to reflect sunlight and radiate heat without electricity or metal layers.

High inorganic filler loading with low-molecular-weight polyol and dispersants enables urethane heat dissipation members to stay flexible.

Phase-change curable material absorbs battery module heat, evens cell temperature, and helps contain propagation from abnormal heating or ignition.

Specific PAO viscosity and low olefinic bond content improve heat removal from electric motors while lowering conductor resistance and pump demand.

Calcium carbonate or calcium nitrate removes fluoride ions from EV coolant while keeping pH neutral and conductivity low to limit corrosion.

A multi-size aluminum nitride and oxide filler mix raises thermal conductivity while keeping silicone composition viscosity and workability under control.

Dual surface modifiers on inorganic fillers improve adhesion and dispersion in thermosetting thermal interface materials for better heat dissipation.

A TiNi-based alloy tunes martensite transformation heat and temperature separately, improving thermal storage range, conductivity, and shape processability.

Surface-treated flaky silver in an addition-curable silicone resin balances cure, strength, elongation, and both thermal and electrical conductivity.

A multi-scale epoxy filler system balances low viscosity with thermal conductivity, toughness, and thermal shock resistance for EV potting.

A silane-modified epoxy resin keeps motor sealing compounds thermally conductive yet low in elastic modulus, helping prevent cracks during temperature cycling.

Surface-treated flaky silver in an addition-curable silicone resin improves curing, strength, elongation, and both thermal and electrical conductivity.

A silicone-modified epoxy sealing resin keeps motor potting fluid and thermally conductive while lowering elastic modulus to resist thermal-cycle cracking.

Hydrogenated LAO dimer methyl paraffins enable direct battery and motor immersion cooling while avoiding electrical shorting and maintaining heat transfer.

Controlled alumina and aluminum nitride particle sizes raise sheet thermal conductivity while limiting plasticity and preserving continuous formability.

A low-molecular-weight methacryloyl polysiloxane helps thermally conductive silicone stay flexible and bonded at 150°C+.

A dual-SiH silicone formulation balances filler loading, flexibility, and elongation to keep heat-dissipating members attached under vibration.

A tailored HFO/HCFO/HFC refrigerant blend cuts global warming potential and temperature glide to improve heat-cycle efficiency.

A high-purity HFC-143 refrigerant blend uses controlled chlorofluoro components to balance low GWP, stable performance, and azeotropic separation.

A phenolic-epoxy resin with boron nitride or alumina filler improves heat dissipation while preserving insulation and adhesion in power semiconductors.

Large diamond fillers paired with smaller secondary fillers improve heat conduction while preserving resin flowability in heat-dissipating members.